Home / 115,549,153.16-173,268,641.10-42,762,659.72

Finding the Fourth Proportional to 115,549,153.16, 173,268,641.10 and 42,762,659.72

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Solution

The fourth proportional to 115,549,153.16, 173,268,641.10 and 42,762,659.72 is: 64,123,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,549,153.16 : 173,268,641.10 = 42,762,659.72 : x
  2. Step 2: Convert to fraction form
    115,549,153.16/173,268,641.10 = 42,762,659.72/x
  3. Step 3: Cross multiply
    115,549,153.16x = 173,268,641.10 × 42,762,659.72
  4. Step 4: Simplify right side
    115,549,153.16x = 7,409,427,939,506,106
  5. Step 5: Solve for x
    x = 7,409,427,939,506,106/115,549,153.16
  6. Step 6: Final answer
    x = 64,123,602.27

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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.