Home / 120,921,304,562.40-181,248,931,256.40-42,363,648,703.20

Finding the Fourth Proportional to 120,921,304,562.40, 181,248,931,256.40 and 42,363,648,703.20

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Solution

The fourth proportional to 120,921,304,562.40, 181,248,931,256.40 and 42,363,648,703.20 is: 63,498,868,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,921,304,562.40 : 181,248,931,256.40 = 42,363,648,703.20 : x
  2. Step 2: Convert to fraction form
    120,921,304,562.40/181,248,931,256.40 = 42,363,648,703.20/x
  3. Step 3: Cross multiply
    120,921,304,562.40x = 181,248,931,256.40 × 42,363,648,703.20
  4. Step 4: Simplify right side
    120,921,304,562.40x = 7,678,366,051,576,574,902,272
  5. Step 5: Solve for x
    x = 7,678,366,051,576,574,902,272/120,921,304,562.40
  6. Step 6: Final answer
    x = 63,498,868,783.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.