Home / 99,779,456.40-149,557,210.20-56,669,312.40

Finding the Fourth Proportional to 99,779,456.40, 149,557,210.20 and 56,669,312.40

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Solution

The fourth proportional to 99,779,456.40, 149,557,210.20 and 56,669,312.40 is: 84,940,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,779,456.40 : 149,557,210.20 = 56,669,312.40 : x
  2. Step 2: Convert to fraction form
    99,779,456.40/149,557,210.20 = 56,669,312.40/x
  3. Step 3: Cross multiply
    99,779,456.40x = 149,557,210.20 × 56,669,312.40
  4. Step 4: Simplify right side
    99,779,456.40x = 8,475,304,266,496,266
  5. Step 5: Solve for x
    x = 8,475,304,266,496,266/99,779,456.40
  6. Step 6: Final answer
    x = 84,940,373.22

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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.