Home / 163,699,641.90-245,549,462.85-98,970,128.10

Finding the Fourth Proportional to 163,699,641.90, 245,549,462.85 and 98,970,128.10

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Solution

The fourth proportional to 163,699,641.90, 245,549,462.85 and 98,970,128.10 is: 148,455,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,699,641.90 : 245,549,462.85 = 98,970,128.10 : x
  2. Step 2: Convert to fraction form
    163,699,641.90/245,549,462.85 = 98,970,128.10/x
  3. Step 3: Cross multiply
    163,699,641.90x = 245,549,462.85 × 98,970,128.10
  4. Step 4: Simplify right side
    163,699,641.90x = 24,302,061,793,150,688
  5. Step 5: Solve for x
    x = 24,302,061,793,150,688/163,699,641.90
  6. Step 6: Final answer
    x = 148,455,192.15

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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.